bicycle e chain自行车链条
bicycle e chain lock自行车链条锁
bicycle e chain set自行车全链盒
bicycle chain lock自行车链条锁;脚踏车链条锁
Bicycle Chain Rack链条自行车停车架
racing bicycle chain赛车链条
Bicycle chain drive自行车手拉机
bicycle chain set自行车全链盒;脚踏车全链盒
BICYCLE CHAIN LOCKS脚踏车链锁
N(名词) a chain that transmits power from the pedals to the driving wheel of a bicycle 自行车链条